Even a highly effective vaccine will need to be supported by the simultaneous use of drugs, vector control, good monitoring and evaluation, and well-performing health systems.
即使是一种非常有效的疫苗也需要同时配合使用药物,开展病媒控制,进行良好的监测与评价,以及有一个运转良好的卫生系统。
The principal objective of vector control is the reduction of malaria morbidity and mortality by reducing the levels of transmission.
媒介控制的主要目标是通过降低传播水平来降低发病率和死亡率。
Coordinate and synergize vector control activities lead by the pan African Tsetste and Trypanosomosis Eradication Campaign of the Africa Union.
协调和协同加强非洲联盟泛非消灭采采蝇和锥虫病运动带头开展的病媒控制活动。
The only known samples of the virus are stored in two secure laboratories approved by WHO (Centers for Disease Control and Prevention, Atlanta, USA and Vector, Kostsovo, Russian Federation).
已知的仅有的病毒样本储存在世卫组织批准的两个安全的实验室中(美国亚特兰大的疾病预防控制中心,俄罗斯联邦科尔索沃的病毒和生物技术研究中心)。
Vector control is by far our most important tool for preventing malaria.
病媒控制是迄今为止我们预防疟疾的最重要工具。
By decoupling between the magnetizing current and the torque current, the vector control strategy of induction machines can achieve excellent dynamic performances.
异步电机矢量控制由于实现了励磁电流和转矩电流的解耦控制而具有优良的动态性能。
Utilizing piecewise continuous vector Lyapunov function, the practical stabilization of control systems with fixed moments of impulse effects by establishing a new comparison result is considered.
借助于向量李雅谱诺夫函数,通过建立一个新的比较结果,研究了具有固定时刻脉冲的控制系统的实际稳定性。
The thrust vector control was performed by gas jet.
推力矢量控制由燃气喷口实现。
This paper proposes a new method of sensorless vector control for induction motors, in which the motor speed is estimated by both instantaneous reactive power and variation of magnetizing current.
提出了一种异步电机无速度传感器矢量控制的新方法,用瞬时无功功率和励磁电流变化来估计电机转速。
Then a vector control method with speed closed-loop and magnetic linkage closed loops put forward, which is based on the constant velocity by means of stator flux-oriented vector control.
在基于定子磁场定向的矢量控制恒线速运行控制方案的基础上,提出了一个速度闭环、磁链闭环的矢量控制方案。
The maximum available power is obtained by the optimum current vector control considering the converter capacity and the losses of generator.
风力机按最大功率点跟踪方式运行,在考虑发电机损耗和变频器容量的前提下,通过最优化电流矢量控制获得最大输出功率。
This paper discusses a new control tactics of the converter which adopt voltage vector optimum control tactics by predicting the current of high power factor converter.
通过对高功率因数变流器网侧指令和实际电流的预测,提出了一种采用变流器电压矢量优化控制策略的电流跟踪新方案。
The control signals of invertor are produced by space vector modulation to achieve a small torque ripple and constant switch frequency.
以空间矢量调制方法来获得逆变器的开关信号,实现了小的转矩脉动和恒定的开关频率。
The main four-chamber engines designed by V. P. Glushko and new control engines from s. P. Korolev for controlling the thrust vector were installed in these units.
这些子级上安装了瓦·彼·格鲁什科设计的四推力室主发动机和谢·帕·科罗廖夫设计的用来控制推力矢量的新型姿态控制发动机。
The article describes the vector control mode, coordinate transformation, speed and current control etc. The features above have been proved by overload experimental running.
叙述了矢量控制方式,坐标变换,速度及电流控制等,通过负载试验运行结果证明了这种变频器的特点。
In the system with little tension fluctuation and numeric, by compensating the reeling in and out rate, adopting vector close-loop control can get better effects.
在张力波动范围窄、张力数值较小的控制系统中,采用矢量闭环控制,通过对收放卷速度的补偿,能收到较好的效果。
The continuous rotating magnet field is transformed into discrete step field in the torque vector control and the electromagnet torque is controlled by means of regulating the stator current.
在矩角控制过程中将连续的旋转磁场离散为步进磁场,通过控制电机定子电流实现对电磁转矩的控制。
Aiming at the problem of difficult system identification modeling for control system, an identification modeling system was designed for control system by using support vector regression (SVR).
针对非线性控制系统辨识建模较为困难的问题,利用回归型支持向量机(SVR)设计了一例控制系统的辨识建模系统。
The vector control can be easily realized and reliable by using industrial PC control. The system has good performance.
采用工控PC机控制,使矢量控制思想易于实现、工作可靠,系统具有良好的性能。
Thrust vector control is often achieved by throttling individual thrusters or by injecting gas through the nozzle wall to cause a change in the local pressure distribution.
推力矢量控制,往往所取得的节流个别推力器或注入气体通过喷嘴壁造成的变化在当地的压力分布。
On the base of traditional vector control, the improving excitation system is established by importing the dynamic change in network voltage and state flux current.
在此基础上,对励磁系统加以改进,将电网电压及等效定子磁场电流的动态变化引入系统,在考虑电网波动情况下建立了风力发电励磁控制系统。
By measuring the thrust and lateral forces of solid rocket motor during firing conditions, the thrust vector control performances of jet TAB TVC and movable nozzle TVC were studied.
通过测量固体火箭发动机水下工作过程中的推力和侧向力,研究了扰流片和摆喷管两种推力矢量方式的水下推力矢量特性。
Based on the construction pattern and the control principle of stepmotor, fractional step Angle control of stepmotor is achieved by PWM Phase Vector Cornposition.
本文根据步进电视的结构与控制原理,提出一种PWM式相矢量合成分数步距角控制方案。
In this paper, the control points are calculated based on the curve or surface's data points and the knot vector which is calculated with four kinds of parameterization by the method of NURBS.
文中根据曲线曲面型值点,分别用四种参数化方法构造节点矢量,利用NURBS方法反算控制点。
The relationships between gyro output angular velocities and the distribution of motor control signals are analyzed by means of the space vector decomposition theory.
利用空间矢量分解理论分析了陀螺输出角速度信号的投影关系及电机控制信号的分配;
A stator voltage space vector forecast CRPWM control method based on uncoupled arithmetic is proposed by analyzing improved induction motor mathematics model. Control strategies are presented.
根据改进的电动机模型,推导出一种基于解耦算法的定子电压空间矢量预测CRPWM控制方案,给出其控制策略。
In addition, the motor's speed problem is solved by Space vector frequency speed regulating. The type 6sx7023-4ec61 transducer is applied to control the speed of the motor effectively.
此外,借助于空间矢量交流变频调速技术,相应采用6sx7023 - 4ec61变频器,有效地控制翻钢机小车的行驶速度。
The 156 patients with CHD or suspicious CHD and 113 normal control persons were examined by vector cardiogram, treadmill exercise testing and electrocardiogram.
对156例诊断为冠心病或疑似冠心病患者和113例正常对照进行普通心电、运动心电和心电向量检查。
Advanced agile missiles possess maneuverability, agility and accurate guidance performance by adopting thruster vector control or reaction control system thruster.
新型精确制导导弹为了获得更大的机动性、敏捷性和更高的命中精度,大多采用了推力矢量控制或反作用推力控制。
In this paper, a sliding mode control algorithm based on the PMSM vector control has been proposed, and the effectiveness of the design verified by simulation.
本文主要在永磁同步电机矢量控制的基础上提出了一种负载扭矩的滑模控制算法,并进行仿真验证设计的有效性。
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